Blog

PowerShell Get-History

20th February, 2020

One command that I love to use in PowerShell is Get-History. It retrieves all of the commands that you have run in this session. You can use the id and count parameters to pick a single command or a number of commands including and prior to the id e.g. Get-History -id 10 -count 5 gets […]

Working with Saved Messages in Microsoft Teams

19th February, 2020

Microsoft Teams is revolutionising how we communicate with a company. It speeds up working together, allows fast collaboration and retains business knowledge within a place that isn’t lost when someone leaves the organisation. One problem though is information overload and managing which conversations you still need to get back to…! Luckily you can mark a […]

Uninstall Microsoft Teams cleanly

22nd January, 2020

AutoStart Settings Go to Teams and set it to not auto-start, nor open in background, or stay open when running and don’t have it set for chat app. Once Teams is uninstalled cache files cleared and registry cleared, these should be moot. Uninstall Teams Quit Teams by right-clicking the Teams icon in the taskbar and […]

Renamed Channels in Teams

18th December, 2019

Overview In case you hadn’t noticed, we here at Nero Blanco do a lot of migrations.  We are fully immersed in tenant-to-tenant migrations these days and we are always seeing and learning interesting issues.  Like Microsoft Teams Channels that have been renamed in the Team itself. Most people now by now that a Team is […]

Efficient Lookups in PowerShell

21st November, 2019

When writing scripts in PowerShell we often need to do a lookup in another dataset. Of course one way is to use an external tool like Excel with VLOOKUP or SQL Server with its joins and produce a data set that can be used in PowerShell without any lookups, but sometimes this just isn’t practical. […]

Active Directory: Source has exceeded the tombstone lifetime

19th June, 2019

I was working with a client recently who had various Active Directory replication issues. They had a multi-domain forest in Windows Server 2008 R2 functional levels. Now the two fundamental errors were DNS zones duplicated between the domains (including the zones used by the subdomains) Network firewalls between the domain controllers One big call out […]